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    Welcome to the Raspberry Pi Stack Exchange community! Even with the --timeout 1 argument(?) I'd be surprised if it was that quick - but as I haven't (yet) got my system to such a state that it takes a snap-shot of who ever tries to unlock my front-door I can't really pick-nits! 8-) Good use of command line though (assuming the clock has been set) - including putting the datetime stamp with the most significant values first so the alpha-numeric sort-order is the same as date sort-order! Commented Feb 27, 2016 at 19:54
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    ~$ time shot real 0m0.040s user 0m0.010s sys 0m0.020s q. e. d. ;) Commented Feb 28, 2016 at 19:32
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    0.040 seconds is unfortunately far to fast to be true.. The usage of the time command above is flawed, it will actually only measure the time taken to assign the SHOTTIME variable, not capturing the image. The real time is ~1 seconds. Commented Aug 20, 2016 at 13:52
  • Thank you for your comment, you are right. I have removed the time it takes from my original text. Commented Aug 24, 2016 at 20:02